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Dear Jayant,<div><br class="webkit-block-placeholder"></div><div>I might be wrong, but I think the original gmx force field that you are referring to has been deprecated.</div><div><br class="webkit-block-placeholder"></div><div>Best wishes,</div><div>Art</div><div><br><div><div>On Dec 14, 2007, at 1:44 PM, jayant_jacques wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><p> Hi!<br> I am attempting to simulate a protein with a modified amino acid using the Gromacs force field with hydrogens for NMR. I have built the RTP and TOP files using PRODRG. <br> I need to know what is the rtp file? relevant to the above force field such that I can append my rtp file. Is it the ffgmx2.rtp or ffgmx.rtp?<br> Thanks<br> Jayant James<br> </p> Jayasundar Jayant James <br> Postdoc, <br> Department of Veterinary and Comparative Anatomy, Pharmacology and Physiology(VCAPP), Washington state university, Pullman 99164-6520, USA. <br> <a href="http://www.chick.com/reading/tracts/0001/0001_01.asp">http://www.chick.com/reading/tracts/0001/0001_01.asp</a> <br> Phone office:335-5937, Cell:1-509-432-5790<br><br> <table border="0" width="644" height="57" cellspacing="0" cellpadding="0" style="font-family:Verdana;font-size:11px;line-height:15px;"><tbody><tr><td><a href="http://adworks.rediff.com/cgi-bin/AdWorks/click.cgi/www.rediff.com/signature-home.htm/1050715198@Middle5/2016579_2009445/2016115/1?PARTNER=3&OAS_QUERY=null target=new "><img src="http://imadworks.rediff.com/cgi-bin/AdWorks/adimage.cgi/2016579_2009445/creative_2016115.gif" alt="SimplyMarry Pink" border="0"></a></td></tr></tbody></table><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">gmx-users mailing list<span class="Apple-converted-space"> </span><a href="mailto:gmx-users@gromacs.org">gmx-users@gromacs.org</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://www.gromacs.org/mailman/listinfo/gmx-users">http://www.gromacs.org/mailman/listinfo/gmx-users</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Please search the archive at <a href="http://www.gromacs.org/search">http://www.gromacs.org/search</a> before posting!</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Please don't post (un)subscribe requests to the list. Use the<span class="Apple-converted-space"> </span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">www interface or send it to <a href="mailto:gmx-users-request@gromacs.org">gmx-users-request@gromacs.org</a>.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Can't post? Read <a href="http://www.gromacs.org/mailing_lists/users.php">http://www.gromacs.org/mailing_lists/users.php</a></div> </blockquote></div><br></div></body></html>